Slip ring for the aeronautical industry

medicalfor industrial applicationsfor radar antennas

Product overview
This single-channel rotary joint provides reliable RF signal transfer between stationary and rotating assemblies over the DC–18 GHz band. Engineered for radar, satellite ground stations, microwave test platforms and defense systems, the unit features stainless-steel construction, long mechanical life and options for non-standard customization to meet specific interface or environmental requirements.

Key features

• Frequency range: DC to 18 GHz
• Insertion loss: ≤0.3 dB (typical)
• VSWR: ≤1.25
• Power handling: up to 100 W @ DC–2 GHz; 50 W @ 2–8 GHz; 25 W @ 8–15 GHz; 20 W @ 15–18 GHz
• Rotation speed: 0–300 RPM
• Lifespan: ≥10 million revolutions
• Torque: ≤0.5 N·m
• Operating temperature: -40 °C to +80 °C
• Storage temperature: -55 °C to +85 °C
• Relative humidity tolerance: up to 95%
• Material: stainless steel
• Ingress protection: IP41
• Test standards: GJB150.9A-2009 (humidity), GJB150.16A-2009 (vibration), GJB150.18A-2009 (shock)

Applications

• Rotating radar antenna systems requiring stable transmission up to 18 GHz
• Microwave anechoic chamber test turntables
• Satellite tracking ground station antennas
• Electronic warfare system rotating interfaces
• Military and aerospace communication links
• Medical imaging equipment with rotating RF components
• Industrial high-frequency rotating platforms

Quality & reliability
Each unit is validated to military-grade environmental standards, including damp heat, vibration and mechanical shock per GJB150 series. Production includes strict quality control and inspection. Non-standard customization is available for harsher environments, extended temperature ranges, higher IP ratings or specific connector/interface requirements.

Why choose this product

• Customizable configuration: channel count, frequency, power and mechanical interfaces
• Military-grade environmental testing for deployment in demanding conditions
• Long service life (≥10 million revolutions) reduces maintenance and downtime
• Stable high-frequency performance up to 18 GHz with low loss and low VSWR
• Stainless-steel construction for corrosion resistance and field durability

Technical specifications

• Denomination: Single-channel rotary joint
• Frequency range: DC to 18 GHz
• Insertion loss: ≤0.3 dB (typical)
• VSWR: ≤1.25
• Power handling: up to 100 W @ DC–2 GHz; 50 W @ 2–8 GHz; 25 W @ 8–15 GHz; 20 W @ 15–18 GHz
• Rotation speed: 0–300 RPM
• Lifespan: ≥10 million revolutions
• Torque: ≤0.5 N·m
• Operating temperature: -40 °C to +80 °C
• Storage temperature: -55 °C to +85 °C
• Relative humidity tolerance: up to 95%
• Material: stainless steel
• Ingress protection: IP41
• Test standards: GJB150.9A-2009, GJB150.16A-2009, GJB150.18A-2009